Watch List notes:

The Roman Republic

C. Cassius and M. Servilis. Denarius, mint moving with Brutus and Cassius 43-42, AR 3.79 g. C CASSI IMP Laureate head of Libertas r. Rev. M SERVILIVS – LEG Aplustre, the branches ending in flowers. Babelon Cassia 21 and Servilia 42. Sydenham 1312. Sear Imperators 225. RBW 1773. Crawford 505/2.
Extremely rare. An almost invisible banker's mark on obverse,
otherwise good very fine / about extremely fine
Ex NAC sale 92, 2016, 1930.